Feature

Magnetic Alloy Developed

New Diagram Shows How Atom Bomb Might Be Made

Save on Pea Processing by Using Froth Flotation

Nature Ramblings: First Flowers

Indians Lived Underground

Tailor-Made Weather Will Test Insects’ Endurance

Books of the Week

Whole Eggs Have Been Preserved by Freezing

New Machines and Gadgets

Front Matter

Vitamin $text{B}_{12}$ Aids Anemics

Pact Changes Call Signs